20843287828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1373}}^1\times {\mathrm{345019}}^1$

素因数の和:346407

約数の個数: 24

約数和(自身を含む): 39820828320

約数和(自身を除く): 18977540492

約数列:

[1, 2, 4, 11, 22, 44, 1373, 2746, 5492, 15103, 30206, 60412, 345019, 690038, 1380076, 3795209, 7590418, 15180836, 473711087, 947422174, 1894844348, 5210821957, 10421643914, 20843287828]

約数ペア:

[(1, 20843287828), (2, 10421643914), (4, 5210821957), (11, 1894844348), (22, 947422174), (44, 473711087), (1373, 15180836), (2746, 7590418), (5492, 3795209), (15103, 1380076), (30206, 690038), (60412, 345019)]